5. Do you know his extension number? I can transfer you to him.
您知道他的分机号吗?我可以替您转接过去。
还能这样说：
I'll transfer your call immediately if you tell me his extension number.
I can put you through to him after you tell me his extension number.
应用解析：
transfer of account 转账;
transfer of business 营业转让;
transfer of public fund 公款转拨;
transfer of sales right 营业权转让;
transfer of staff 职工调整
6. Mr. Green is on line one.
是格林先生打来的，请接1号线。
还能这样说：
Mr. Green is waiting on line one.
Mr. Green is on the line one. Go ahead, please.
应用解析：
in line for sth. 有可能获得某事物;
(stand) in/on line 排队;
lay it on the line 实话实说;
out of line (with sb./sth.) 不成一条直线
7. You're through now.
电话给您接通了。
还能这样说：
I have put you through.
I have your call on the line.
应用解析：
be through (with sb./sth.) 已结束;
through to 直到;
through and through 每一方面;彻底地
8. The operator connected me to the wrong extension.
接线生给我接错了分机。
还能这样说：
The operator put me through to the wrong extension number.
The operator switched me over to another extension.
谚语：
No wrong without remedy.
无错不可纠。